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Elvina Bay Postcode
New South Wales
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Elvina Bay Compares
Elvina Bay vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Elvina Bay | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,958 ≈NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $500 +NSW | $445 | $390 | $506 |
| Mortgage/month | $2,400 ≈NSW | $2,247 | $1,958 | $2,587 |
| Median age | 50 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 10/10 +NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 6.8% +NSW | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Elvina Bay is a locality 26 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2105. It falls within the Sydney - Northern Beaches region. The local government area is Northern Beaches.
According to the 2021 Census, Elvina Bay has a population of 80 with a median age of 50. The median weekly household income is $1,958, close to the NSW average. The unemployment rate is 6.8%, higher than the NSW average.
Housing in Elvina Bay includes a median weekly rent of $500, median monthly mortgage repayment of $2,400, with 41 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 88.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Elvina Bay scores in decile 10 out of 10, which is well above the national average.
Elvina Bay is part of the Pittwater statistical area in New South Wales.
Elvina Bay Details
| Postcode | 2105 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 80 |
| Median Age | 50 years |
| Median Household Income (Census 2021) | $1,958/week |
| Median Personal Income (Census 2021) | $1,020/week |
| Median Weekly Rent (Census 2021) | $500 |
| Median Monthly Mortgage (Census 2021) | $2,400 |
| Average Household Size | 2.2 persons |
| Area | 0.3 km² |
| Population Density | 317/km² |
| Total Dwellings | 41 |
| Australian Citizens | 88.8% |
| Unemployment Rate | 6.8% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -33.639515 |
| Longitude | 151.277825 |
| Distance from Sydney | 26 km |
| Region (SA4) | Sydney - Northern Beaches |
| Area (SA3) | Pittwater |
| Local Government | Northern Beaches |
| Federal Electorate | Mackellar |
Age Profile
Show counts
| 0–14 years | 19 (23.8%) |
| 15–24 years | 3 (3.8%) |
| 25–44 years | 26 (32.5%) |
| 45–64 years | 30 (37.5%) |
| 65+ years | 17 (21.2%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 10 (12.5%) |
| Heart Disease | 6 (7.5%) |
| Arthritis | 4 (5.0%) |
| Cancer | 3 (3.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 7 (17.9%) |
| 1 vehicle | 22 (56.4%) |
| 2 vehicles | 10 (25.6%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Elvina Bay
Same Postcode (2105)
More Elvina Bay Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.